What is BPC-157?

BPC-157 (Body Protection Compound-157) is a 15-amino-acid peptide fragment derived from a protein found in human gastric juice, initially identified through studies of gastrointestinal cytoprotection. The peptide represents a stable fragment of the larger body protection compound (BPC) sequence.

The peptide is a synthetic pentadecapeptide with the sequence Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val. Its small size and stability make it suitable for various laboratory investigation protocols.

For UK research laboratories, BPC-157 serves as a reference compound for studies examining soft-tissue repair mechanisms, angiogenic signalling, and extracellular matrix dynamics in controlled in vitro environments.

BPC-157 operates through the following mechanisms in research models:

Angiogenic Signalling — BPC-157 promotes angiogenesis through upregulation of vascular endothelial growth factor (VEGF) and fibroblast growth factor (FGF) signalling. In cellular models, the peptide enhances endothelial cell proliferation, migration, and tube formation.

Extracellular Matrix Modulation — The peptide stimulates collagen type I and III synthesis in fibroblast cultures and modulates matrix metalloproteinase (MMP) activity. This affects extracellular matrix turnover and tissue remodelling.

Cytoprotective Pathways — BPC-157 upregulates heat shock proteins and antioxidant defence mechanisms in cellular stress models. The peptide protects cells from oxidative stress and inflammation-induced damage through modulation of NF-κB signalling.

Growth Factor Regulation — The peptide influences expression of multiple growth factors, including VEGF, FGF, TGF-β, and IGF-1, creating a coordinated tissue repair response in cellular models.

BPC-157 is employed across multiple research domains in UK laboratories:

Soft-Tissue Repair Studies — In vitro models of tendon and ligament fibroblasts examine BPC-157's effects on collagen synthesis, cell proliferation, and matrix organisation.

Angiogenesis Research — Endothelial cell models (HUVEC, HMVEC) are used to study BPC-157's angiogenic properties, including tube formation, cell migration, and VEGF signalling.

Gastrointestinal Research — Cellular models of gastric epithelial integrity and mucosal protection examine BPC-157's cytoprotective properties.

Extracellular Matrix Studies — Fibroblast and keratinocyte cultures are used to study BPC-157's effects on collagen deposition, MMP activity, and tissue remodelling.

Inflammation Models — Macrophage and fibroblast co-culture systems examine BPC-157's effects on inflammatory cytokine production and resolution of inflammation.

BPC-157 is supplied as a lyophilised powder. Standard laboratory preparation:

• Bacteriostatic water (0.9% benzyl alcohol) recommended for reconstitution
• Typical concentrations: 1–10 mg/mL depending on assay requirements
• Solubility: The peptide is highly soluble in aqueous solutions; gentle vortexing aids dissolution
• pH: Maintain solutions at pH 6.0–7.5

• Lyophilised powder: −20°C, protected from light
• Reconstituted solution: 2–8°C, protected from light
• Stability: 7–14 days under refrigeration; aliquot and freeze at −20°C for extended studies
• Avoid: Repeated freeze-thaw cycles